exam Maths Puzzle Numerical Ability

the sum of the ages of petra and her mother is 45. her mother is 9 years more than twice as old as petra. how old are petra and her mother

Read Solution (Total 0)

exam Other Question

Find all whole numbers x such that GCD(24,x)=1 and 1 ≤ x ≤ 24. Solve each of the following systems by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.
10x + 2y = 7
y = -5x + 3